Detachable tool-handle.



No. 802,937. PATENTED OCT. 24, 1905. F. W. MOCUNE 82; J. M. TEACH.

DETAGHABLE TOOL HANDLE.'

APPLICATION FILED JAN. 20, 1905.

Znuenibz's UNTTn STATES PATENT OFFTCE.

FRANK W. MoOUNE AND JACOB M. TEACH, OF STUART, IOWA, ASSIGNORS OFONE-THIRD TO F. O. HINKSON, OF STUART, IOWA.

DETACHABLE TOOL-HANDLE.

Specification of Letters Patent.

' Patented Oct. 24, 1905.

Application filed January 20, 1905. Serial No. 242,017.

To all whom, it ntay concern.-

Be it known that we, FRANK W. MoOUNE and JAooB M. TEACH, citizens of theUnited States, residing at Stuart, in the counties of Adair and Guthrieand State of Iowa, have invented certain new and useful Improvements inDetachable Tool-Handles, of which the following is a specification.

The object of our invention is to provide simple, durable, andinexpensive means for connecting handles to tools.

Our invention consists in the construction, arrangement, and combinationof the various parts of the device whereby the objects contemplated areattained, as hereinafter more fully set forth, pointed out in ourclaims, and illustrated in the accompanying drawings, in which Figure 1shows a vertical central sectional view of a device embodying ourinvention.

Fig. 2 shows a detail view of the bolt, and

Fig. 3 shows a plan view of the sockethead.

Referring to the accompanying drawings, the numeral is used to indicatethe body portion of the socket-head, substantially oval in cross-sectionand formed with a fiat top 11, designed to engage and rest upon theunder surface of the tool. Formed on the top surface 11 are twoupwardly-projecting lugs, the upper surfaces of whichare tapered, andthe side edges are tapered toward the center of the tool. These lugs areindicated by the numeral 12. In the central portion of the socket-head10 is a smooth round opening 13, extending downwardly into thesocket-head a short distance. Below the lower end of the opening 13 is aslot 14, which communicates with a large recess at the bottom of thesocket designed to receive the upper end of a tool-handle 15. We connectthe wooden handle with the socket by first insertingit therein and thendriving a wedge 16 downwardly through the opening 13 and the slot 1 1,so that the wedge will spread the upper end of the handle and firmlyretain it in the socket.

The tool proper, which in the accompanying drawings is shown to be aminers pick,

is formed on its under surface with notches designed to receive the lugs12. It is also formed with a central opening designed to receive thebolt 17. This bolt 17 is screwthreaded at its upper end, and its lowerend is designed to pass into the opening 13 of the socket. We haveprovided for detachably connecting the bolt with the socket by forming atransverse opening 18 in the socket, a portion of which openingintersects the opening 13, and in the bolt 17 we have formed a notch 19.By this arrangement of parts and assuming the bolt 17 to be in positionin the opening 13 we then pass a round pin 20 into the opening 18 andthrough the notch 19. In this way the bolt is firmly held against bothrotary and longitudinal movement in the socket 10, and yet it may bevery readily and easily detached by simply sliding out the pin 20. A nut21 is screwed to the upper end of the bolt 17 and rests upon the top ofthe tool. In use the pin 20 is made of such size that it will fit intothe opening provided for it, and yet the said pin is prevented fromaccidental displacement by having the nut 21 screwed tightly to thebolt, thus drawing upwardly on the bolt, and thereby firmly clamping thepin 20 in position.

In practical use and assuming the parts to be assembled, as shown inFig. 1, the tool is firmly held to the socket by means of the bolt 17,and rotary movement of the head relative to the socket is prevented bythe lugs 12 entering notches in the under surface of the tool. If duringuse the tool should become loosened on the socket, the operator mayquickly and easily tighten it by adjusting the nut 21. Assuming that itis desired to remove the tool and substitute a new one, the operatorsimply loosens the nut 21 without detaching it. Then he pushes the pin20 until it disengages the bolt, and the bolt and the tool may both beremoved. A new tool is then substituted, the pin 20 reinserted,and thenut 21 again tightened. Allof this may bedoneveryquickly and easily, asit is only necessary to turn the nut 21 about one complete revolution.In this way the operator will not mar the thread of the bolt 17 duringthe process of attaching ordetaching tools, because the nut need not bewholly removed.

Having thus described our invention, what we claim, and desire to secureby Letters Patent of the United States therefor, is

l. The combination of a handle socket formed with a smooth openingextending longitudinally thereof and also formed with an openingextending transversely through it and partially intersecting thelongitudinal opening, a tool formed with an opening, a bolt passedthrough the opening in the tool and into the longitudinal opening of thesocket,

said bolt having a notch at its lower end and screw-threaded at itsupper end, a pin designed to pass through the transverse opening of thesocket and enter the notch in the bolt, and a nut seated on the top ofthe bolt to engage the top of the tool.

2. The combination of a socket formed with a longitudinal smooth openingat its top, a slot at the bottom of the opening and a handle-recessbelow the slot communicating therewith, said socket also formed with atransverse opening partially intersecting the longitudinal opening, lugsformed on the top of the socket, a tool formed with an opening, a boltpassed through the opening in the tool and into the longitudinal openingof the socket, said bolt formed with a notch near its lower end andscrew-threaded at its upper end, said tool also formed with notches toreceive the lugs on the socket, a pin inserted in the transverse openingof the socket and passed through the notch in the bolt, and a nutscrewed to the top of the bolt and engaging the top of the tool-head.

FRANK W. MOCUNE. JACOB M. TEACH.

Witnesses:

E. G. DAVIS, F. O. HINKSON.

